OpenTechnical

OT-2026-000092512

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000092512) never changes.

Identity and time

Publication numberOT-2026-000092512 · never reused
Internal UUID01a0ae9d-b5fd-7a0d-b205-7ed5844044d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092512
StatusPUBLIC

Content hashes

Canonical text07da24fc59e9d619c1cba74da7b0a9da56c880a69198f19bcedd55c3c8f46fd0
Markdownb66f121b14da5142a20172c1c799a98be2eade02f0d416bd51e7df87554f331f
PDF
Publication pageb49271c3b9f15f22659d939a0ff7eaa9386b74d6ad4c82341978298bdacc6720
Manifestd66a12adf17043f4b1ebb4ce85eb932bc424d45c5d2b2701715e35a05c87979e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureADkkiUuqnGjL4qCAI9F21kWLW7gjKtO72NrtvWUl659R5kvAyawYBG3B6Z38xxazgQb+xJO7X03TzvouO8qRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:05.137758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092512
observed b49271c3b9f15f22659d939a0ff7eaa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.119978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092512/manifest.json
observed d66a12adf17043f4b1ebb4ce85eb932b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.102050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092512/publication.md
observed b66f121b14da5142a20172c1c799a98b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.082507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092512/publication.txt
observed 07da24fc59e9d619c1cba74da7b0a9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.